<!DOCTYPE html>
<html>
    <head>
        <meta charset='utf-8'>
        <title>字体-样式</title>
        <style>
        body{
            font-size: 2em;
        }
        p.normal{
            font-style: normal;
        }
        p.italic{
            font-style: italic;
        }
        p.oblique{
            font-style: oblique;
        }
        </style>
    </head>
    <body>
         <p class="normal">
             this is normal
         </p>
         <p class="italic">
             this is italic
         </p>
         <p class="oblique">
             this is oblique
         </p>
    </body>
</html>